Home / 22,657.40-31,266.56-12,967.10

Finding the Fourth Proportional to 22,657.40, 31,266.56 and 12,967.10

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Solution

The fourth proportional to 22,657.40, 31,266.56 and 12,967.10 is: 17,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,657.40 : 31,266.56 = 12,967.10 : x
  2. Step 2: Convert to fraction form
    22,657.40/31,266.56 = 12,967.10/x
  3. Step 3: Cross multiply
    22,657.40x = 31,266.56 × 12,967.10
  4. Step 4: Simplify right side
    22,657.40x = 405,436,610.18
  5. Step 5: Solve for x
    x = 405,436,610.18/22,657.40
  6. Step 6: Final answer
    x = 17,894.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.